LU5FF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Argentina Locator transmitted in a decoded message: FF99

Receiver-side FT8 activity involving LU5FF, decoded by SO8OO in southeastern Poland. 506 related FT8 messages, 61 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 26 UTC dates. Heard between 2026-05-18 and 2026-08-15.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

506
Related messages
61
CQ messages
26
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-18
Last seen: 2026-08-15 20:09 UTC

Activity Heatmap

Locator transmitted by LU5FF

Approximate centre of FF99, decoded 2026-08-22 23:08 UTC. A transmitted locator is not proof of the operator's permanent location.

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Time UTCBandLU5FF S/NCounterpartCounterpart S/NMsgsCapture
08-22 23:07 20m -6 / - RI1FJL - / - 4 Partial capture
08-15 21:49 40m - / - LB7ZG -4 / - 2 Partial capture
08-15 21:44 40m - / - G5TV -19 / - 5 Partial capture
08-15 21:43 40m - / - IZ6OUX -2 / - 6 Partial capture
08-15 21:38 40m - / - IZ6OUX -2 / - 3 Partial capture
08-15 21:28 40m - / - G5TV -18 / - 9 Partial capture
07-27 22:17 20m -6 / - PB2A - / -14 2 ✓ Closing fragment
07-27 22:16 20m -6 / - BG7IGM - / -14 2 ✓ Closing fragment
07-27 22:15 20m -7 / - DF8RU - / -15 2 ✓ Closing fragment
07-27 22:14 20m -7 / - BH4ECL - / -11 2 ✓ Closing fragment
07-27 22:13 20m -6 / - PD2ARI - / -12 2 ✓ Closing fragment
07-27 22:12 20m -8 / - UT5ZC - / -2 2 ✓ Closing fragment
07-27 22:10 20m -10 / - R7RBE - / -16 2 ✓ Closing fragment
07-27 22:08 20m -6 / - R2AX - / -13 2 ✓ Closing fragment
07-27 22:07 20m -8 / - IN3WZS - / -15 2 Partial capture
07-27 22:06 20m -8 / - DL1R - / -5 3 Partial capture
07-27 22:03 20m -7 / - PD2LM - / -8 2 ✓ Closing fragment
07-27 22:02 20m -8 / - RD3FY - / -13 2 ✓ Closing fragment
07-27 21:59 20m -7 / - ON1JP - / -22 2 ✓ Closing fragment
07-27 21:58 20m - / -1 M7CLI -4 / - 3 Partial capture
07-27 21:52 20m -6 / -11 IU2GLX -20 / -13 4 Partial capture
07-27 21:48 20m -8 / - MM3WYM - / -4 3 ✓ Closing fragment
07-25 23:50 20m - / -22 EA3FKT -5 / - 3 Partial capture
07-25 23:44 20m - / -22 EA3FKT +2 / - 2 Partial capture
07-25 18:07 10m -14 / - DN9OPA - / -14 2 ✓ Closing fragment
07-25 18:04 10m -12 / - EA4IAQ - / - 2 ✓ Closing fragment
07-25 18:02 10m -13 / - OE2GRN - / -12 2 ✓ Closing fragment
07-25 18:00 10m -12 / - EA8UE - / -2 2 ✓ Closing fragment
07-25 17:59 10m -15 / - DO5OT - / -7 2 ✓ Closing fragment
07-25 17:56 10m -12 / - PA3GMD - / -11 2 ✓ Closing fragment
07-25 17:56 10m - / - IW2HUS -12 / - 3 Partial capture
07-25 17:33 10m - / - I6PJC -18 / - 2 Partial capture
07-25 16:47 10m - / - F1SZC -21 / - 2 Partial capture
07-25 16:36 10m - / 0 RA3AJT -8 / - 2 ✓ Closing fragment
07-18 22:07 20m - / - M9UUU -20 / - 4 Partial capture
07-18 22:02 20m -15 / -1 F4MUD -4 / -9 4 ✓ Full exchange observed
07-18 21:58 20m -13 / - R1BOH - / -15 2 ✓ Closing fragment
07-18 21:57 20m - / -6 SP6ZLT +1 / - 3 Partial capture
07-18 21:57 20m -12 / - IW9HPG - / -12 3 ✓ Closing fragment
07-18 21:46 20m - / - IU1TKT -12 / - 2 ✓ Closing fragment
07-18 21:46 20m - / -2 DJ7LA -4 / - 2 ✓ Closing fragment
07-18 21:42 20m - / -1 HB9EXE -13 / - 2 ✓ Closing fragment
07-18 21:26 20m - / - SQ7OCJ -5 / - 3 Partial capture
07-18 21:24 20m - / - US4EX -11 / - 3 Partial capture
07-18 21:19 20m - / -9 OK1KKI +22 / - 2 Partial capture
07-18 21:19 20m - / - RW6MDU -12 / - 2 Partial capture
07-17 21:49 20m -10 / - M0ILT - / -2 2 ✓ Closing fragment
07-17 21:44 20m -8 / - DG5RN - / -13 2 ✓ Closing fragment
07-17 21:37 20m -8 / -7 GW3TYI -13 / - 3 ✓ Closing observed
07-17 21:33 20m -18 / - F1FXC - / -21 4 Partial capture

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

20m
UTC    dB Audio  Message
221245  -7  634  UT5ZC LU5FF RR73
221315  -6  633  PD2ARI LU5FF -12 (x2)
221415  -6  634  BH4ECL LU5FF -11 (x2)
221545  -8  633  DF8RU LU5FF -15 (x2)
221645  -4  633  BG7IGM LU5FF -14 (x2)
221745  -6  634  PB2A LU5FF -14 (x2)
230715  -6 2338  RI1FJL LU5FF FF99 (x4)
40m
UTC    dB Audio  Message
214315  +1  653  LU5FF IZ6OUX JN62
214345  -4 2868  LU5FF G4YKQ IO91
214345  -1  653  LU5FF IZ6OUX JN62
214445 -21 1707  LU5FF G5TV IO93
214445  -5  653  LU5FF IZ6OUX JN62
214515 -19 1707  LU5FF G5TV IO93
214515  +1  653  LU5FF IZ6OUX JN62
214545 -17 1707  LU5FF G5TV IO93
214545  -2  653  LU5FF IZ6OUX JN62
214615 -18 1707  LU5FF G5TV IO93
214615  -6  653  LU5FF IZ6OUX JN62
214645 -18 1707  LU5FF G5TV IO93
214915  -1 2909  LU5FF LB7ZG JP50 (x3)
10m
UTC    dB Audio  Message
180215 -12  996  OE2GRN LU5FF -12 (x2)
180315 -13  997  CQ LU5FF FF99
180330 -15  996  LU5FF PD3LKN JO22
180415 -13  997  ES2AJ LU5FF 73
180445 -13  996  EA4IAQ LU5FF +16 (x2)
180545 -10  996  CQ LU5FF FF99
180615 -15  996  DN9AST LU5FF -17
180715 -15  996  DN9OPA LU5FF -14 (x2)
180800  -2  997  LU5FF F5PGA JN24
180845  -9  996  RA6ATZ LU5FF RR73
181015 -15  996  S59MA LU5FF -14
181245 -14  996  PD0CIF LU5FF RR73
80m
UTC    dB Audio  Message
203030 +12 2515  LU5FF SP2LLP JO94 (x6)
60m
UTC    dB Audio  Message
212145  -2  533  LU5FF 9A1CCB JN85 (x5)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.